RE: Explain plan accuracy and bind variables

From: Khedr, Waleed <Waleed.Khedr_at_FMR.COM>
Date: Fri, 6 Feb 2004 10:18:25 -0500
Message-ID: <D91D9D5A73FC694BBC52F1EB26AD410F014E45CF@MSGBOSCLD2WIN.DMN1.FMR.COM>

How do you define inaccurate?

Waleed

-----Original Message-----

From: ryan.gaffuri_at_cox.net [mailto:ryan.gaffuri_at_cox.net] Sent: Friday, February 06, 2004 7:38 AM
To: oracle-l_at_freelists.org
Subject: Explain plan accuracy and bind variables

I read somewhere that explain plans are not always accurate. Does this include autotrace? What about if I do a 10046 or just a sql_trace?

Are explain plans more apt to be inaccurate with bind variables(I think I read that somewhere). If so, why?

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Received on Fri Feb 06 2004 - 09:18:25 CST